SU1281988A1 - Электрохимический датчик дл измерени концентрации глюкозы - Google Patents

Электрохимический датчик дл измерени концентрации глюкозы Download PDF

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Publication number
SU1281988A1
SU1281988A1 SU843710780A SU3710780A SU1281988A1 SU 1281988 A1 SU1281988 A1 SU 1281988A1 SU 843710780 A SU843710780 A SU 843710780A SU 3710780 A SU3710780 A SU 3710780A SU 1281988 A1 SU1281988 A1 SU 1281988A1
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USSR - Soviet Union
Prior art keywords
electrode
working chamber
glucose concentration
measuring glucose
electrochemical transducer
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SU843710780A
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English (en)
Inventor
Юозас Юозович Кулис
Вальдас-Станисловас Альгимантович Лауринавичюс
Гедиминас Юозович Балтакис
Альгимантас Винцович Ионушка
Лионгинас Лионгинович Ионушка
Повилас Степанович Василяускас
Робертас-Гедиминас Степанович Григалюнас
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Институт биохимии АН ЛитССР
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Priority to SU843710780A priority Critical patent/SU1281988A1/ru
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Publication of SU1281988A1 publication Critical patent/SU1281988A1/ru
Priority to LTRP1164A priority patent/LT2322B/xx

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Description

-f
2
/ . /
ю ас
00 00
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Изобретение относитс  к аналити- ческому приборостроению и может быть использовано в биохимии дл  определени  глюкозы.
Целью изобретени   вл етс  повышение чувствительности и точности измерений в широком диапазоне измер емых концентраций.
На чертеже представлена схема электрохимического датчика дл  определени  глюкозы.
Электрохимический датчик состоит из корпуса 1 с входным 2 и вькод- ным 3 каналами дл  подвода электро- лита и отверстием 4 дл  подачи исследуемой пробы, внутренней рабочей камеры 5 с размещенным в ее стенке измерительным электродом 6, снабженным селективной мембраной 7, электродом 8 сравнени , а в днище рабочей камеры установлен дополнительный вспомогательный электрод 9, выполненный из неблагородного металла, например из титана,причем отношение площади активной поверхности рабочего электрода и площади активной поверхности вспомогательного электрода выбрано в пределах 0,12-0,35,
На основе многократных исследований установлены оптимальные размеры электродов, т.е. высока  чувствительность и точность определений при широком диапазоне концентраций глюко- зы (0-30 мм) показаны при выборе соотношений 0,12-0,34.
В таблице показано, как мен етс  точность измерений при выходе за указанные границы.
,06
,12
,24
1
5
10
15
30
1
5
10
15
30
1
5
10
О О О О
о
0,05
0,05
0,05
0,05
0,05
0,1
0,1
0,1
1
5
9,4 2,1 4,9
1,05
5,05 OjO 4,9 8,8
1,1
5,1
0,1
О
О
-0,6 -2,9 -5,1
0,05
0,05
О -0,1
-1.2 0,1 0,1 0.1
О
О
4,0 19,3 17,0
5
1
О
0,6
4 10
2
1
Продолжение таблицы

Claims (2)

1. ЭЛЕКТРОХИМИЧЕСКИЙ ДАТЧИК ДЛЯ ИЗМЕРЕНИЯ КОНЦЕНТРАЦИИ ГЛЮКОЗЫ, содержащий корпус с размещенной в нем рабочей камерой с отверстием для ввода анализируемой пробы, входным и выходным патрубками соответственно для подвода и отвода электролита, измерительным электродом, установленным в стенке рабочей камеры, который снабжен селективной мембраной и электродом сравнения, отличающийся тем, что, с целью повышения чувствительности и точности измерений в широком диапазоне измеряемых концентраций, в днище рабочей камеры дополнительно установлены вспомогательный электрод из металла, инертного по отношению к анализируемой среде, причем отношение площадей активных поверхностей рабочего и вспомогательного электродов выбрано в пределах 0,12-0,35.
2. Датчик поп.1, отличающийся тем, что в качестве материала вспомогательного электрода используют титан.
SU„, 1281988 А1
1 -12.
SU843710780A 1984-03-15 1984-03-15 Электрохимический датчик дл измерени концентрации глюкозы SU1281988A1 (ru)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SU843710780A SU1281988A1 (ru) 1984-03-15 1984-03-15 Электрохимический датчик дл измерени концентрации глюкозы
LTRP1164A LT2322B (lt) 1984-03-15 1993-09-27 Elektrocheminis daviklis gliukozes koncentracijai matuoti

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU843710780A SU1281988A1 (ru) 1984-03-15 1984-03-15 Электрохимический датчик дл измерени концентрации глюкозы

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SU1281988A1 true SU1281988A1 (ru) 1987-01-07

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